CCNP4-OSPF关于再发布的排错

                            OSPF关于再发布的排错

一 实验核心    

Subnets关键字告诉OSPF再分布所有子网路由。没有这个关键字,OSPF只会再发布未划分子网的网络,那就是为什么没有一个RIP网络被正确地再分布。

实验:Westasmanping不通远端网络

Berlin

router ospf 1

redistribute rip

network 192.168.10.8 0.0.0.3 area 0

network 192.168.10.12 0.0.0.3 area 0

!

router rip

version 2

network 10.0.0.0!

Frankful

router ospf 1

redistribute rip

network 192.168.10.8 0.0.0.3 area 0

network 192.168.10.4 0.0.0.3 area 0

!

router rip

version 2

network 10.0.0.0

Westasman

router ospf 1

network 192.168.72.0 0.0.0.255 area 0

network 192.168.10.12 0.0.0.3 area 0

network 192.168.10.4 0.0.0.3 area 0

排错步骤

Westasman#  ping 10.0.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.0.1.1, timeout is 2 seconds:

.....

Success rate is 0 percent (0/5)

Router#ping 192.168.10.13

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.10.13, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/19/92 ms

Westasman#ping 192.168.10.10

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.10.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/6/20 ms

Westasman#ping 192.168.10.6

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.10.6, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/35/104 ms

Westasman#ping 192.168.10.9

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.10.9, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/7/32 ms

Westasman#ping 10.0.4.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.0.4.1, timeout is 2 seconds:

.....

Success rate is 0 percent (0/5)

Westasman#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

      E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

      i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

      * - candidate default, U - per-user static route, o - ODR

      P - periodic downloaded static route

Gateway of last resort is not set

    192.168.10.0/30 is subnetted, 3 subnets

C       192.168.10.4 is directly connected, Serial0/1

O       192.168.10.8 [110/128] via 192.168.10.13, 02:38:33, Serial0/0

                    [110/128] via 192.168.10.6, 02:38:33, Serial0/1

C       192.168.10.12 is directly connected, Serial0/0

C    192.168.72.0/24 is directly connected, FastEthernet0/0

Frankful#sh ip int br

Interface              IP-Address      OK? Method Status                Protocol

FastEthernet0/0        10.0.4.1        YES manual up                    up

Serial0/0              192.168.10.6    YES manual up                    up

Serial0/1              192.168.10.9    YES manual up                    up

FastEthernet1/0        unassigned      YES unset  administratively down down

Frankful#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

      E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

      i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

      * - candidate default, U - per-user static route, o - ODR

      P - periodic downloaded static route

Gateway of last resort is not set

    10.0.0.0/24 is subnetted, 1 subnets

C       10.0.4.0 is directly connected, FastEthernet0/0

    192.168.10.0/30 is subnetted, 3 subnets

C       192.168.10.4 is directly connected, Serial0/0

C       192.168.10.8 is directly connected, Serial0/1

O       192.168.10.12 [110/128] via 192.168.10.5, 00:10:38, Serial0/0

                     [110/128] via 192.168.10.10, 00:10:38, Serial0/1

O    192.168.72.0/24 [110/65] via 192.168.10.5, 00:10:38, Serial0/0

Berlin#sh ip int br

Interface              IP-Address      OK? Method Status                Protocol

FastEthernet0/0        10.0.1.1        YES manual up                    up

Serial0/0              192.168.10.13   YES manual up                    up

Serial0/1              192.168.10.10   YES manual up                    up

FastEthernet1/0        unassigned      YES unset  administratively down down

Loopback0              10.0.2.1        YES manual up                    up

Loopback1              10.0.3.1        YES manual up                    up

Berlin#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

      E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

      i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

      * - candidate default, U - per-user static route, o - ODR

      P - periodic downloaded static route

Gateway of last resort is not set

    10.0.0.0/24 is subnetted, 3 subnets

C       10.0.1.0 is directly connected, FastEthernet0/0

C       10.0.2.0 is directly connected, Loopback0

C       10.0.3.0 is directly connected, Loopback1

    192.168.10.0/30 is subnetted, 3 subnets

O       192.168.10.4 [110/128] via 192.168.10.9, 00:11:59, Serial0/1

                    [110/128] via 192.168.10.14, 00:11:59, Serial0/0

C       192.168.10.8 is directly connected, Serial0/1

C       192.168.10.12 is directly connected, Serial0/0

O    192.168.72.0/24 [110/65] via 192.168.10.14, 00:11:59, Serial0/0

Berlin#

Berlin#sh ip pro

Routing Protocol is "rip"

Sending updates every 30 seconds, next due in 14 seconds

Invalid after 180 seconds, hold down 180, flushed after 240

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Redistributing: rip

Default version control: send version 2, receive 2

 Interface             Send  Recv  Triggered RIP  Key-chain

 Loopback0             2     2    

 Loopback1             2     2    

 FastEthernet0/0       2     2    

Automatic network summarization is in effect

Maximum path: 4

Routing for Networks:

10.0.0.0

Passive Interface(s):

Routing Information Sources:

Gateway         Distance      Last Update

Distance: (default is 120)

Routing Protocol is "ospf 1"

 Outgoing update filter list for all interfaces is not set

 Incoming update filter list for all interfaces is not set

 Router ID 10.0.3.1

 It is an autonomous system boundary router

 Redistributing External Routes from,

   rip

 Number of areas in this router is 1. 1 normal 0 stub 0 nssa

 Maximum path: 4

 Routing for Networks:

   192.168.10.8 0.0.0.3 area 0

   192.168.10.12 0.0.0.3 area 0

 Routing Information Sources:  

   Gateway         Distance      Last Update

   10.0.3.1             110      00:01:53

   192.168.10.9         110      00:01:53

   192.168.72.1         110      00:01:53

 Distance: (default is 110)

Frankful#sh ip pro

Routing Protocol is "rip"

Sending updates every 30 seconds, next due in 14 seconds

Invalid after 180 seconds, hold down 180, flushed after 240

Outgoing update filter list for all interfaces is not set

Incoming update filter list for all interfaces is not set

Redistributing: rip

Default version control: send version 2, receive 2

 Interface             Send  Recv  Triggered RIP  Key-chain

 FastEthernet0/0       2     2    

Automatic network summarization is in effect

Maximum path: 4

Routing for Networks:

10.0.0.0

Passive Interface(s):

Routing Information Sources:

Gateway         Distance      Last Update

Distance: (default is 120)

Routing Protocol is "ospf 1"

 Outgoing update filter list for all interfaces is not set

 Incoming update filter list for all interfaces is not set

 Router ID 192.168.10.9

 It is an autonomous system boundary router

 Redistributing External Routes from,

   rip

 Number of areas in this router is 1. 1 normal 0 stub 0 nssa

 Maximum path: 4

 Routing for Networks:

   192.168.10.8 0.0.0.3 area 0

   192.168.10.4 0.0.0.3 area 0

 Routing Information Sources:  

   Gateway         Distance      Last Update

   10.0.3.1             110      00:02:14

   192.168.10.9         110      00:02:13

   192.168.72.1         110      00:02:14

 Distance: (default is 110)

Frankful#sh ip ospf data

           OSPF Router with ID (192.168.10.9) (Process ID 1)

               Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count

192.168.10.9    192.168.10.9    166         0x8000000f 0x005625 4

10.0.3.1        10.0.3.1        167         0x80000010 0x00597f 4

192.168.72.1    192.168.72.1    167         0x80000010 0x001962 5

Berlin#sh ip ospf data

           OSPF Router with ID (10.0.3.1) (Process ID 1)

               Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count

192.168.10.9    192.168.10.9    191         0x8000000f 0x005625 4

10.0.3.1        10.0.3.1        191         0x80000010 0x00597f 4

192.168.72.1    192.168.72.1    191         0x80000010 0x001962 5

Berlin#

Frankful(config)#router ospf 1

Frankful(config-router)#res

Frankful(config-router)#red

Frankful(config-router)#redistribute rip subnets

Berlin(config)#router ospf 1

Berlin(config-router)#red

Berlin(config-router)#redistribute rip subnets

Berlin#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

      E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

      i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

      * - candidate default, U - per-user static route, o - ODR

      P - periodic downloaded static route

Gateway of last resort is not set

    10.0.0.0/24 is subnetted, 4 subnets

C       10.0.1.0 is directly connected, FastEthernet0/0

C       10.0.2.0 is directly connected, Loopback0

C       10.0.3.0 is directly connected, Loopback1

O E2    10.0.4.0 [110/20] via 192.168.10.9, 00:00:38, Serial0/1

    192.168.10.0/30 is subnetted, 3 subnets

O       192.168.10.4 [110/128] via 192.168.10.9, 00:04:59, Serial0/1

                    [110/128] via 192.168.10.14, 00:04:59, Serial0/0

C       192.168.10.8 is directly connected, Serial0/1

C       192.168.10.12 is directly connected, Serial0/0

O    192.168.72.0/24 [110/65] via 192.168.10.14, 00:04:59, Serial0/0

Frankful#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

      E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

      i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

      * - candidate default, U - per-user static route, o - ODR

      P - periodic downloaded static route

Gateway of last resort is not set

10.0.0.0/24 is subnetted, 4 subnets

O E2    10.0.1.0 [110/20] via 192.168.10.10, 00:02:00, Serial0/1

O E2    10.0.2.0 [110/20] via 192.168.10.10, 00:02:00, Serial0/1

O E2    10.0.3.0 [110/20] via 192.168.10.10, 00:02:00, Serial0/1

C       10.0.4.0 is directly connected, FastEthernet0/0

    192.168.10.0/30 is subnetted, 3 subnets

C       192.168.10.4 is directly connected, Serial0/0

C       192.168.10.8 is directly connected, Serial0/1

O       192.168.10.12 [110/128] via 192.168.10.5, 00:06:11, Serial0/0

                     [110/128] via 192.168.10.10, 00:06:11, Serial0/1

O    192.168.72.0/24 [110/65] via 192.168.10.5, 00:06:11, Serial0/0

Westasman#sh ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

      D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

      N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

      E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

      i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area

      * - candidate default, U - per-user static route, o - ODR

      P - periodic downloaded static route

Gateway of last resort is not set

    10.0.0.0/24 is subnetted, 4 subnets

O E2    10.0.1.0 [110/20] via 192.168.10.13, 00:00:29, Serial0/0

O E2    10.0.2.0 [110/20] via 192.168.10.13, 00:00:29, Serial0/0

O E2    10.0.3.0 [110/20] via 192.168.10.13, 00:00:29, Serial0/0

O E2    10.0.4.0 [110/20] via 192.168.10.6, 00:00:02, Serial0/1

    192.168.10.0/30 is subnetted, 3 subnets

C       192.168.10.4 is directly connected, Serial0/1

O       192.168.10.8 [110/128] via 192.168.10.13, 00:13:32, Serial0/0

                    [110/128] via 192.168.10.6, 00:13:32, Serial0/1

C       192.168.10.12 is directly connected, Serial0/0

C    192.168.72.0/24 is directly connected, FastEthernet0/0

Westasman#sh ip ospf data

           OSPF Router with ID (192.168.72.1) (Process ID 1)

               Router Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum Link count

192.168.10.9    192.168.10.9    810         0x8000000f 0x005625 4

192.168.72.1    192.168.72.1    810         0x80000010 0x001962 5

10.0.3.1        10.0.3.1        810         0x80000010 0x00597f 4

Summary ASB Link States (Area 0)

Link ID         ADV Router      Age         Seq#       Checksum

192.168.10.9    192.168.72.1    211         0x80000001 0x00f43a

192.168.10.9    10.0.3.1        211         0x80000001 0x008b48

               Type-5 AS External Link States

Link ID         ADV Router      Age         Seq#       Checksum Tag

10.0.1.0        10.0.3.1        44          0x80000001 0x00c6e0 0

10.0.2.0        10.0.3.1        44          0x80000001 0x00bbea 0

10.0.3.0        10.0.3.1        44          0x80000001 0x00b0f4 0

10.0.4.0        192.168.10.9    19          0x80000001 0x0092a3 0

Westasman#

Westasman#ping 10.0.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.0.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/13/58 ms

Westasman#ping 10.0.4.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.0.4.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/32/103 ms

Westasman#


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